/************************************************************************
**
**  Copyright (C) 2009, 2010, 2011  Strahinja Markovic  <strahinja.markovic@gmail.com>
**
**  This file is part of Sigil.
**
**  Sigil is free software: you can redistribute it and/or modify
**  it under the terms of the GNU General Public License as published by
**  the Free Software Foundation, either version 3 of the License, or
**  (at your option) any later version.
**
**  Sigil is distributed in the hope that it will be useful,
**  but WITHOUT ANY WARRANTY; without even the implied warranty of
**  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
**  GNU General Public License for more details.
**
**  You should have received a copy of the GNU General Public License
**  along with Sigil.  If not, see <http://www.gnu.org/licenses/>.
**
*************************************************************************/

#pragma once
#ifndef FONTRESOURCE_H
#define FONTRESOURCE_H

#include "Resource.h"

/**
 * Represents a font file on disk (TTF or OTF). 
 */
class FontResource : public Resource 
{
    Q_OBJECT

public:
       
    /**
     * Constructor.
     *
     * @param fullfilepath The full path to the file that this
     *                     resource is representing.
     * @param parent The object's parent.
     */
    FontResource( const QString &fullfilepath, QObject *parent = NULL );

    // inherited
    virtual ResourceType Type() const;

    virtual bool Delete();

    QString GetObfuscationAlgorithm() const;

    void SetObfuscationAlgorithm( const QString &algorithm );

    /**
     * Returns the font family of this font
     *
     * @return The font family
     */
	QString GetFontFamily();

    /**
     * Load the font to QFontDatabase so it can be used as a
     * local font in a css @font-face rule
     *
     * @todo Remove loading as soon as Webkit properly supports embedded fonts
     */
	void LoadFont();

    /**
     * Unload this font from QFontDatabase
     */
    void UnloadFont();

private:

    /**
     * Reads the font-family from the font-file
     * Must not be called, before obfuscated Fonts are deobfuscated
     */
    void InitializeFontFamily();

    QString m_ObfuscationAlgorithm;

     /**
     * The font family to be used in @font-face rule
     */
	QString m_FontFamily;

    /**
     * Id of this font in QFontDatabase
     * -1 if the font is not loaded
     */
    int m_FontId;
};

#endif // FONTRESOURCE_H
